How severe is CVE-2026-45010?

CVE-2026-45010 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-45010 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-45010?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-45010 have an EU (EUVD) identifier?

Yes. CVE-2026-45010 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30595.

When was CVE-2026-45010 published?

CVE-2026-45010 was published on 2026-05-15 and last updated on 2026-06-17.

CVE-2026-45010

CVE-2026-45010 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v4: 9.3
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30595
Weakness: CWE-307
Published: 2026-05-15
Last modified: 2026-06-17

Description

phpMyFAQ before 4.1.2 contains an improper restriction of excessive authentication attempts vulnerability in the /admin/check endpoint, which accepts arbitrary user-id parameters without session binding or rate limiting. Unauthenticated attackers can brute-force any user's six-digit TOTP code by submitting POST requests with sequential token values, bypassing two-factor authentication to gain full administrative access.

Frequently asked questions

What is CVE-2026-45010?: phpMyFAQ before 4.1.2 contains an improper restriction of excessive authentication attempts vulnerability in the /admin/check endpoint, which accepts arbitrary user-id parameters without session binding or rate limiting. Unauthenticated attackers can brute-force any user's six-digit TOTP code by submitting POST requests with sequential token values, bypassing two-factor authentication to gain full administrative access.
How severe is CVE-2026-45010?: CVE-2026-45010 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-45010 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-45010?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-45010 have an EU (EUVD) identifier?: Yes. CVE-2026-45010 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30595.
When was CVE-2026-45010 published?: CVE-2026-45010 was published on 2026-05-15 and last updated on 2026-06-17.

References

Other CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities

CVE-2026-6853 — Critical (CVSS 9.8): Improper restriction of excessive authentication attempts vulnerability in Başbelen Group Food Cafe Businesses…
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CVE-2020-37228 — Critical (CVSS 9.8): iDS6 DSSPro Digital Signage System 6.2 contains a CAPTCHA security bypass vulnerability that allows attackers to bypass…
CVE-2026-33879 — Critical (CVSS 9.8): Federated Learning and Interoperability Platform (FLIP) is an open-source platform for federated training and…
CVE-2026-33640 — Critical (CVSS 9.8): Outline is a service that allows for collaborative documentation. Outline implements an Email OTP login flow for users…
CVE-2026-31851 — Critical (CVSS 9.8): Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement rate limiting or account lockout…

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